Trigonally
三角形地\\n断面呈三角地
🗣️ 情景例句
You must be green to believe that!
你真幼稚，竟然相信那个。
You're sure of passing the exam if you work hard.
只要用功，主汪定能考及格。
He set out to discover whether the wagging dance showed direction.
他开始着手找出摇摆舞是否表示方向。